PSIG vs SPY: Correlation
PS International Group Ltd. (PSIG) and SPDR S&P 500 ETF Trust (SPY) show a near-zero relationship: their 3-year correlation of weekly returns is 0.08.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PSIG and SPY?
Across a 3-year window, the weekly returns of PSIG and SPY correlate at 0.08, near zero, meaning they move largely independently. Lately the two have drifted apart, with the 1-year correlation at -0.03 versus 0.08 over 3 years. Stretching to 5 years gives n/a, with an annualized covariance of 201.7 %².
Among the 55 assets we track against PSIG, SPY ranks #9 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 74.5 points (-53.9% versus +20.6%). One caveat on sizing: PSIG is 10.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
PSIG vs SPY: side by side
| PSIG (PS International Group Ltd.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -53.9% | +20.6% |
| 5-year return | n/a | +82.4% |
| Volatility (ann.) | 157.0% | 14.5% |
| Beta vs S&P 500 | 0.97 | 1.00 |
| Max drawdown (3Y) | -96.0% | -18.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | PSIG | SPY |
|---|---|---|
| 2022 | – | -18.2% |
| 2023 | – | +26.2% |
| 2024 | – | +24.9% |
| 2025 | +8.3% | +17.7% |
| 2026 | -62.9% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PSIG and SPY good diversifiers for each other?
Yes: at 0.08, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PSIG and SPY?
As of 2026-08-27, the correlation of weekly returns between PSIG and SPY is 0.08 over 3 years, -0.03 over 1 year and n/a over 5 years.
Is SPY a good diversifier for PSIG?
Yes: at 0.08, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.08 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
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Related comparisons
Hubs: PSIG correlations · SPY correlations
